20126961

素因数分解:

$3^7\times {\mathrm{9203}}^1$

素因数の和:9224

約数の個数: 16

約数和(自身を含む): 30189120

約数和(自身を除く): 10062159

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 9203, 27609, 82827, 248481, 745443, 2236329, 6708987, 20126961]

約数ペア:

[(1, 20126961), (3, 6708987), (9, 2236329), (27, 745443), (81, 248481), (243, 82827), (729, 27609), (2187, 9203)]